Climate averages 1991–2020
Alcalá de Henares weather
in May.
A warm, moderately wet month: the 5th warmest and the 9th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a warm month in Alcalá de Henares: daytime highs average 22.4°C and nights cool to about 10.3°C. By daytime temperature it is the 5th warmest of the 12 months.
Expect about 50 mm of rain on roughly 9 days, which makes May a moderately wet month (the 9th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 14 h 24 min on an average May day.
The nearest other city in this atlas is Torrejón de Ardoz (10 km away). In May its highs average 22.4°C, about as warm as Alcalá de Henares, with 42 mm of rain.
Among the 93 cities listed in Spain, Alcalá de Henares ranks joint 40th of 93 for the warmest May highs and joint 66th of 93 for the driest May (rainfall, lowest first). The mean May high of those 93 cities is 21.8°C; Alcalá de Henares is 0.6°C warmer than that mean.
From May to June, average highs rise by 5.8°C to 28.2°C, and monthly rainfall falls from 50 mm to 23 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Alcalá de Henares climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 9.7°C1.1°C | 1.1°C | 42 | 7.7 | 9.610 h |
| February | 11.7°C1.6°C | 1.6°C | 35 | 6.3 | 10.611 h |
| March | 15.5°C4.0°C | 4.0°C | 44 | 7.7 | 11.912 h |
| April | 17.9°C6.4°C | 6.4°C | 56 | 8.7 | 13.313 h |
| May, selected | 22.4°C10.3°C | 10.3°C | 50 | 8.5 | 14.414 h |
| June | 28.2°C15.1°C | 15.1°C | 23 | 4.0 | 15.015 h |
| July | 32.3°C18.4°C | 18.4°C | 7.6 | 1.7 | 14.815 h |
| August | 32.0°C18.3°C | 18.3°C | 12 | 2.7 | 13.814 h |
| September | 26.6°C14.4°C | 14.4°C | 28 | 4.5 | 12.513 h |
| October | 20.0°C9.8°C | 9.8°C | 64 | 8.3 | 11.211 h |
| November | 13.6°C5.0°C | 5.0°C | 58 | 8.1 | 10.010 h |
| December | 10.2°C2.0°C | 2.0°C | 47 | 7.7 | 9.39 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Torrejón de Ardoz in MaySpain · 10 kmHigh 22.4°C · Low 10.4°C · 42 mm rain
- Coslada in MaySpain · 18 kmHigh 22.7°C · Low 10.6°C · 42 mm rain
- Guadalajara, Spain in MaySpain · 23 kmHigh 21.8°C · Low 9.5°C · 43 mm rain
- San Sebastián de los Reyes in MaySpain · 24 kmHigh 21.6°C · Low 9.5°C · 37 mm rain
- Alcobendas in MaySpain · 25 kmHigh 21.7°C · Low 9.6°C · 37 mm rain
- Chamartín in MaySpain · 27 kmHigh 21.4°C · Low 9.4°C · 37 mm rain
- Madrid in MaySpain · 30 kmHigh 22.3°C · Low 10.2°C · 37 mm rain
- Getafe in MaySpain · 37 kmHigh 22.8°C · Low 10.7°C · 41 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Alcalá de Henares) is explained once on the Alcalá de Henares year overview and on the Sources, method and limits page.